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-rw-r--r--src/mesa/main/texstate.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index cef58d7a49..6e0c0c688a 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -561,8 +561,19 @@ update_texture_state( GLcontext *ctx )
}
if (!texUnit->_ReallyEnabled) {
- _mesa_reference_texobj(&texUnit->_Current, NULL);
- continue;
+ if (fprog) {
+ /* If we get here it means the shader is expecting a texture
+ * object, but there isn't one (or it's incomplete). Use the
+ * fallback texture.
+ */
+ struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx);
+ texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX;
+ _mesa_reference_texobj(&texUnit->_Current, texObj);
+ }
+ else {
+ /* fixed-function: texture unit is really disabled */
+ continue;
+ }
}
/* if we get here, we know this texture unit is enabled */